tell me how you have defined the role for nato in the current environment, especially in the middle east. >> the core role is still to protect our citizens against any threat to their security we won the cold war. we protected our citizens against soviet communism, aggression. we won the cold war. the soviet broke down but after the end of the cold war we realized that we are faced we merging security challenges, terrorism, this is the reason why we are in afghanistan. that's why we are now building a nato missile defense system to protect our populations against milz attacks. piracy, this is the reasons why we conduct counterpiracy operation. so across the board we have taken on responsibility for new missions but, again, with the core task to protect our citizens against any threat. >> rose: how much of that is borne by the united states, both in terms of budget and in terms of resources? >> a lot, of course. the united states is the biggest ally accounting for around 80% of the overall defense expenditure in our alliance. so it really is a huge contribution. but politically i think it